Supply buffer usage hints to winsys.

Winsys driver needs some hints in order to allocate the appropriate kind of
memory for the buffer.

2 files changed, 7 insertions, 4 deletions

diff --git a/src/mesa/drivers/dri/intel_winsys/intel_winsys_pipe.c b/src/mesa/drivers/dri/intel_winsys/intel_winsys_pipe.c
index af05a3398c8..cc76a40a5a8 100644
--- a/src/mesa/drivers/dri/intel_winsys/intel_winsys_pipe.c
+++ b/src/mesa/drivers/dri/intel_winsys/intel_winsys_pipe.c
@@ -107,7 +107,8 @@ intel_buffer_reference(struct pipe_winsys *sws,
  */
 static void intel_buffer_data(struct pipe_winsys *sws, 
 			      struct pipe_buffer_handle *buf,
-			      unsigned size, const void *data )
+			      unsigned size, const void *data,
+			      unsigned usage )
 {
    struct intel_context *intel = intel_pipe_winsys(sws)->intel;
 
@@ -229,7 +230,8 @@ intel_i915_region_alloc(struct pipe_winsys *winsys,
    winsys->buffer_data( winsys,
                         region->buffer, 
                         pitch * cpp * height, 
-                        NULL );
+                        NULL,
+                        PIPE_BUFFER_USAGE_PIXEL );
 
    return region;
 }
diff --git a/src/mesa/drivers/x11/xm_winsys.c b/src/mesa/drivers/x11/xm_winsys.c
index 36805437f01..f863cdbc151 100644
--- a/src/mesa/drivers/x11/xm_winsys.c
+++ b/src/mesa/drivers/x11/xm_winsys.c
@@ -140,7 +140,7 @@ xm_buffer_reference(struct pipe_winsys *pws,
 
 static void
 xm_buffer_data(struct pipe_winsys *pws, struct pipe_buffer_handle *buf,
-               unsigned size, const void *data )
+               unsigned size, const void *data, unsigned usage)
 {
    struct xm_buffer *xm_buf = xm_bo(buf);
    assert(!xm_buf->userBuffer);
@@ -265,7 +265,8 @@ xm_region_alloc(struct pipe_winsys *winsys,
    winsys->buffer_data( winsys,
                         region->buffer, 
                         region->pitch * cpp * height, 
-                        NULL );
+                        NULL,
+                        PIPE_BUFFER_USAGE_PIXEL );
    return region;
 }